2 * (C) Copyright 2000-2002
3 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 * See file CREDITS for list of people who contributed to this
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
33 #include <asm/byteorder.h>
34 #if defined(CONFIG_IDE_8xx_DIRECT) || defined(CONFIG_IDE_PCMCIA)
45 #ifdef CONFIG_STATUS_LED
46 # include <status_led.h>
51 /* Macros depend on this variable */
52 static unsigned long mips_io_port_base = 0;
56 #ifdef CONFIG_SHOW_BOOT_PROGRESS
57 # include <status_led.h>
58 # define SHOW_BOOT_PROGRESS(arg) show_boot_progress(arg)
60 # define SHOW_BOOT_PROGRESS(arg)
68 #define PRINTF(fmt,args...) printf (fmt ,##args)
70 #define PRINTF(fmt,args...)
73 #if (CONFIG_COMMANDS & CFG_CMD_IDE)
75 #ifdef CONFIG_IDE_8xx_DIRECT
76 /* Timings for IDE Interface
78 * SETUP / LENGTH / HOLD - cycles valid for 50 MHz clk
79 * 70 165 30 PIO-Mode 0, [ns]
81 * 50 125 20 PIO-Mode 1, [ns]
83 * 30 100 15 PIO-Mode 2, [ns]
85 * 30 80 10 PIO-Mode 3, [ns]
87 * 25 70 10 PIO-Mode 4, [ns]
91 const static pio_config_t pio_config_ns [IDE_MAX_PIO_MODE+1] =
93 /* Setup Length Hold */
94 { 70, 165, 30 }, /* PIO-Mode 0, [ns] */
95 { 50, 125, 20 }, /* PIO-Mode 1, [ns] */
96 { 30, 101, 15 }, /* PIO-Mode 2, [ns] */
97 { 30, 80, 10 }, /* PIO-Mode 3, [ns] */
98 { 25, 70, 10 }, /* PIO-Mode 4, [ns] */
101 static pio_config_t pio_config_clk [IDE_MAX_PIO_MODE+1];
104 #define CFG_PIO_MODE 0 /* use a relaxed default */
106 static int pio_mode = CFG_PIO_MODE;
108 /* Make clock cycles and always round up */
110 #define PCMCIA_MK_CLKS( t, T ) (( (t) * (T) + 999U ) / 1000U )
112 #endif /* CONFIG_IDE_8xx_DIRECT */
114 /* ------------------------------------------------------------------------- */
116 /* Current I/O Device */
117 static int curr_device = -1;
119 /* Current offset for IDE0 / IDE1 bus access */
120 ulong ide_bus_offset[CFG_IDE_MAXBUS] = {
121 #if defined(CFG_ATA_IDE0_OFFSET)
124 #if defined(CFG_ATA_IDE1_OFFSET) && (CFG_IDE_MAXBUS > 1)
130 #define ATA_CURR_BASE(dev) (CFG_ATA_BASE_ADDR+ide_bus_offset[IDE_BUS(dev)])
132 #ifndef CONFIG_AMIGAONEG3SE
133 static int ide_bus_ok[CFG_IDE_MAXBUS];
135 static int ide_bus_ok[CFG_IDE_MAXBUS] = {0,};
138 static block_dev_desc_t ide_dev_desc[CFG_IDE_MAXDEVICE];
139 /* ------------------------------------------------------------------------- */
141 #ifdef CONFIG_IDE_LED
142 #if !defined(CONFIG_KUP4K) && !defined(CONFIG_KUP4X) &&!defined(CONFIG_BMS2003)
143 static void ide_led (uchar led, uchar status);
145 extern void ide_led (uchar led, uchar status);
148 #ifndef CONFIG_AMIGAONEG3SE
149 #define ide_led(a,b) /* dummy */
151 extern void ide_led(uchar led, uchar status);
154 #define CONFIG_IDE_LED 1
155 #define DEVICE_LED(x) 1
159 #ifdef CONFIG_IDE_RESET
160 static void ide_reset (void);
162 #define ide_reset() /* dummy */
165 static void ide_ident (block_dev_desc_t *dev_desc);
166 static uchar ide_wait (int dev, ulong t);
168 #define IDE_TIME_OUT 2000 /* 2 sec timeout */
170 #define ATAPI_TIME_OUT 7000 /* 7 sec timeout (5 sec seems to work...) */
172 #define IDE_SPIN_UP_TIME_OUT 5000 /* 5 sec spin-up timeout */
174 static void __inline__ ide_outb(int dev, int port, unsigned char val);
175 static unsigned char __inline__ ide_inb(int dev, int port);
176 static void input_data(int dev, ulong *sect_buf, int words);
177 static void output_data(int dev, ulong *sect_buf, int words);
178 static void ident_cpy (unsigned char *dest, unsigned char *src, unsigned int len);
182 static void atapi_inquiry(block_dev_desc_t *dev_desc);
183 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer);
187 #ifdef CONFIG_IDE_8xx_DIRECT
188 static void set_pcmcia_timing (int pmode);
191 /* ------------------------------------------------------------------------- */
193 int do_ide (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
200 printf ("Usage:\n%s\n", cmdtp->usage);
203 if (strncmp(argv[1],"res",3) == 0) {
205 #ifdef CONFIG_IDE_8xx_DIRECT
206 " on PCMCIA " PCMCIA_SLOT_MSG
212 } else if (strncmp(argv[1],"inf",3) == 0) {
217 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
218 if (ide_dev_desc[i].type==DEV_TYPE_UNKNOWN)
219 continue; /* list only known devices */
220 printf ("IDE device %d: ", i);
221 dev_print(&ide_dev_desc[i]);
225 } else if (strncmp(argv[1],"dev",3) == 0) {
226 if ((curr_device < 0) || (curr_device >= CFG_IDE_MAXDEVICE)) {
227 puts ("\nno IDE devices available\n");
230 printf ("\nIDE device %d: ", curr_device);
231 dev_print(&ide_dev_desc[curr_device]);
233 } else if (strncmp(argv[1],"part",4) == 0) {
236 for (ok=0, dev=0; dev<CFG_IDE_MAXDEVICE; ++dev) {
237 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
241 print_part(&ide_dev_desc[dev]);
245 puts ("\nno IDE devices available\n");
250 printf ("Usage:\n%s\n", cmdtp->usage);
253 if (strncmp(argv[1],"dev",3) == 0) {
254 int dev = (int)simple_strtoul(argv[2], NULL, 10);
256 printf ("\nIDE device %d: ", dev);
257 if (dev >= CFG_IDE_MAXDEVICE) {
258 puts ("unknown device\n");
261 dev_print(&ide_dev_desc[dev]);
264 if (ide_dev_desc[dev].type == DEV_TYPE_UNKNOWN) {
270 puts ("... is now current device\n");
273 } else if (strncmp(argv[1],"part",4) == 0) {
274 int dev = (int)simple_strtoul(argv[2], NULL, 10);
276 if (ide_dev_desc[dev].part_type!=PART_TYPE_UNKNOWN) {
277 print_part(&ide_dev_desc[dev]);
279 printf ("\nIDE device %d not available\n", dev);
284 } else if (strncmp(argv[1],"pio",4) == 0) {
285 int mode = (int)simple_strtoul(argv[2], NULL, 10);
287 if ((mode >= 0) && (mode <= IDE_MAX_PIO_MODE)) {
292 printf ("\nInvalid PIO mode %d (0 ... %d only)\n",
293 mode, IDE_MAX_PIO_MODE);
299 printf ("Usage:\n%s\n", cmdtp->usage);
302 /* at least 4 args */
304 if (strcmp(argv[1],"read") == 0) {
305 ulong addr = simple_strtoul(argv[2], NULL, 16);
306 ulong cnt = simple_strtoul(argv[4], NULL, 16);
308 #ifdef CFG_64BIT_STRTOUL
309 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
311 printf ("\nIDE read: device %d block # %qd, count %ld ... ",
312 curr_device, blk, cnt);
314 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
316 printf ("\nIDE read: device %d block # %ld, count %ld ... ",
317 curr_device, blk, cnt);
320 n = ide_dev_desc[curr_device].block_read (curr_device,
323 /* flush cache after read */
324 flush_cache (addr, cnt*ide_dev_desc[curr_device].blksz);
326 printf ("%ld blocks read: %s\n",
327 n, (n==cnt) ? "OK" : "ERROR");
333 } else if (strcmp(argv[1],"write") == 0) {
334 ulong addr = simple_strtoul(argv[2], NULL, 16);
335 ulong cnt = simple_strtoul(argv[4], NULL, 16);
337 #ifdef CFG_64BIT_STRTOUL
338 lbaint_t blk = simple_strtoull(argv[3], NULL, 16);
340 printf ("\nIDE write: device %d block # %qd, count %ld ... ",
341 curr_device, blk, cnt);
343 lbaint_t blk = simple_strtoul(argv[3], NULL, 16);
345 printf ("\nIDE write: device %d block # %ld, count %ld ... ",
346 curr_device, blk, cnt);
349 n = ide_write (curr_device, blk, cnt, (ulong *)addr);
351 printf ("%ld blocks written: %s\n",
352 n, (n==cnt) ? "OK" : "ERROR");
359 printf ("Usage:\n%s\n", cmdtp->usage);
367 int do_diskboot (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
369 char *boot_device = NULL;
374 disk_partition_t info;
380 addr = CFG_LOAD_ADDR;
381 boot_device = getenv ("bootdevice");
384 addr = simple_strtoul(argv[1], NULL, 16);
385 boot_device = getenv ("bootdevice");
388 addr = simple_strtoul(argv[1], NULL, 16);
389 boot_device = argv[2];
392 printf ("Usage:\n%s\n", cmdtp->usage);
393 SHOW_BOOT_PROGRESS (-1);
398 puts ("\n** No boot device **\n");
399 SHOW_BOOT_PROGRESS (-1);
403 dev = simple_strtoul(boot_device, &ep, 16);
405 if (ide_dev_desc[dev].type==DEV_TYPE_UNKNOWN) {
406 printf ("\n** Device %d not available\n", dev);
407 SHOW_BOOT_PROGRESS (-1);
413 puts ("\n** Invalid boot device, use `dev[:part]' **\n");
414 SHOW_BOOT_PROGRESS (-1);
417 part = simple_strtoul(++ep, NULL, 16);
419 if (get_partition_info (&ide_dev_desc[dev], part, &info)) {
420 SHOW_BOOT_PROGRESS (-1);
423 if ((strncmp(info.type, BOOT_PART_TYPE, sizeof(info.type)) != 0) &&
424 (strncmp(info.type, BOOT_PART_COMP, sizeof(info.type)) != 0)) {
425 printf ("\n** Invalid partition type \"%.32s\""
426 " (expect \"" BOOT_PART_TYPE "\")\n",
428 SHOW_BOOT_PROGRESS (-1);
432 printf ("\nLoading from IDE device %d, partition %d: "
433 "Name: %.32s Type: %.32s\n",
434 dev, part, info.name, info.type);
436 PRINTF ("First Block: %ld, # of blocks: %ld, Block Size: %ld\n",
437 info.start, info.size, info.blksz);
439 if (ide_dev_desc[dev].block_read (dev, info.start, 1, (ulong *)addr) != 1) {
440 printf ("** Read error on %d:%d\n", dev, part);
441 SHOW_BOOT_PROGRESS (-1);
445 hdr = (image_header_t *)addr;
447 if (ntohl(hdr->ih_magic) == IH_MAGIC) {
449 print_image_hdr (hdr);
451 cnt = (ntohl(hdr->ih_size) + sizeof(image_header_t));
452 cnt += info.blksz - 1;
456 printf("\n** Bad Magic Number **\n");
457 SHOW_BOOT_PROGRESS (-1);
461 if (ide_dev_desc[dev].block_read (dev, info.start+1, cnt,
462 (ulong *)(addr+info.blksz)) != cnt) {
463 printf ("** Read error on %d:%d\n", dev, part);
464 SHOW_BOOT_PROGRESS (-1);
469 /* Loading ok, update default load address */
473 /* Check if we should attempt an auto-start */
474 if (((ep = getenv("autostart")) != NULL) && (strcmp(ep,"yes") == 0)) {
476 extern int do_bootm (cmd_tbl_t *, int, int, char *[]);
478 local_args[0] = argv[0];
479 local_args[1] = NULL;
481 printf ("Automatic boot of image at addr 0x%08lX ...\n", addr);
483 do_bootm (cmdtp, 0, 1, local_args);
489 /* ------------------------------------------------------------------------- */
494 #ifdef CONFIG_IDE_8xx_DIRECT
495 DECLARE_GLOBAL_DATA_PTR;
496 volatile immap_t *immr = (immap_t *)CFG_IMMR;
497 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
501 #ifdef CONFIG_AMIGAONEG3SE
502 unsigned int max_bus_scan;
503 unsigned int ata_reset_time;
506 #ifdef CONFIG_IDE_8xx_PCCARD
507 extern int pcmcia_on (void);
508 extern int ide_devices_found; /* Initialized in check_ide_device() */
509 #endif /* CONFIG_IDE_8xx_PCCARD */
511 #ifdef CONFIG_IDE_PREINIT
512 extern int ide_preinit (void);
515 if (ide_preinit ()) {
516 puts ("ide_preinit failed\n");
519 #endif /* CONFIG_IDE_PREINIT */
521 #ifdef CONFIG_IDE_8xx_PCCARD
522 extern int pcmcia_on (void);
523 extern int ide_devices_found; /* Initialized in check_ide_device() */
527 ide_devices_found = 0;
528 /* initialize the PCMCIA IDE adapter card */
530 if (!ide_devices_found)
532 udelay (1000000); /* 1 s */
533 #endif /* CONFIG_IDE_8xx_PCCARD */
537 #ifdef CONFIG_IDE_8xx_DIRECT
538 /* Initialize PIO timing tables */
539 for (i=0; i <= IDE_MAX_PIO_MODE; ++i) {
540 pio_config_clk[i].t_setup = PCMCIA_MK_CLKS(pio_config_ns[i].t_setup,
542 pio_config_clk[i].t_length = PCMCIA_MK_CLKS(pio_config_ns[i].t_length,
544 pio_config_clk[i].t_hold = PCMCIA_MK_CLKS(pio_config_ns[i].t_hold,
546 PRINTF ("PIO Mode %d: setup=%2d ns/%d clk"
548 " hold=%2d ns/%d clk\n",
550 pio_config_ns[i].t_setup, pio_config_clk[i].t_setup,
551 pio_config_ns[i].t_length, pio_config_clk[i].t_length,
552 pio_config_ns[i].t_hold, pio_config_clk[i].t_hold);
554 #endif /* CONFIG_IDE_8xx_DIRECT */
556 /* Reset the IDE just to be sure.
557 * Light LED's to show
559 ide_led ((LED_IDE1 | LED_IDE2), 1); /* LED's on */
560 ide_reset (); /* ATAPI Drives seems to need a proper IDE Reset */
562 #ifdef CONFIG_IDE_8xx_DIRECT
563 /* PCMCIA / IDE initialization for common mem space */
564 pcmp->pcmc_pgcrb = 0;
566 /* start in PIO mode 0 - most relaxed timings */
568 set_pcmcia_timing (pio_mode);
569 #endif /* CONFIG_IDE_8xx_DIRECT */
572 * Wait for IDE to get ready.
573 * According to spec, this can take up to 31 seconds!
575 #ifndef CONFIG_AMIGAONEG3SE
576 for (bus=0; bus<CFG_IDE_MAXBUS; ++bus) {
577 int dev = bus * (CFG_IDE_MAXDEVICE / CFG_IDE_MAXBUS);
579 s = getenv("ide_maxbus");
581 max_bus_scan = simple_strtol(s, NULL, 10);
583 max_bus_scan = CFG_IDE_MAXBUS;
585 for (bus=0; bus<max_bus_scan; ++bus) {
586 int dev = bus * (CFG_IDE_MAXDEVICE / max_bus_scan);
589 #ifdef CONFIG_IDE_8xx_PCCARD
590 /* Skip non-ide devices from probing */
591 if ((ide_devices_found & (1 << bus)) == 0) {
592 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
596 printf ("Bus %d: ", bus);
602 udelay (100000); /* 100 ms */
603 ide_outb (dev, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(dev));
604 udelay (100000); /* 100 ms */
605 #ifdef CONFIG_AMIGAONEG3SE
606 ata_reset_time = ATA_RESET_TIME;
607 s = getenv("ide_reset_timeout");
608 if (s) ata_reset_time = 2*simple_strtol(s, NULL, 10);
612 udelay (10000); /* 10 ms */
614 c = ide_inb (dev, ATA_STATUS);
616 #ifdef CONFIG_AMIGAONEG3SE
617 if (i > (ata_reset_time * 100)) {
619 if (i > (ATA_RESET_TIME * 100)) {
621 puts ("** Timeout **\n");
622 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
623 #ifdef CONFIG_AMIGAONEG3SE
624 /* If this is the second bus, the first one was OK */
632 if ((i >= 100) && ((i%100)==0)) {
635 } while (c & ATA_STAT_BUSY);
637 if (c & (ATA_STAT_BUSY | ATA_STAT_FAULT)) {
638 puts ("not available ");
639 PRINTF ("Status = 0x%02X ", c);
640 #ifndef CONFIG_ATAPI /* ATAPI Devices do not set DRDY */
641 } else if ((c & ATA_STAT_READY) == 0) {
642 puts ("not available ");
643 PRINTF ("Status = 0x%02X ", c);
652 #ifdef CONFIG_AMIGAONEG3SE
657 ide_led ((LED_IDE1 | LED_IDE2), 0); /* LED's off */
660 for (i=0; i<CFG_IDE_MAXDEVICE; ++i) {
661 #ifdef CONFIG_IDE_LED
662 int led = (IDE_BUS(i) == 0) ? LED_IDE1 : LED_IDE2;
664 ide_dev_desc[i].type=DEV_TYPE_UNKNOWN;
665 ide_dev_desc[i].if_type=IF_TYPE_IDE;
666 ide_dev_desc[i].dev=i;
667 ide_dev_desc[i].part_type=PART_TYPE_UNKNOWN;
668 ide_dev_desc[i].blksz=0;
669 ide_dev_desc[i].lba=0;
670 ide_dev_desc[i].block_read=ide_read;
671 if (!ide_bus_ok[IDE_BUS(i)])
673 ide_led (led, 1); /* LED on */
674 ide_ident(&ide_dev_desc[i]);
675 ide_led (led, 0); /* LED off */
676 dev_print(&ide_dev_desc[i]);
678 if ((ide_dev_desc[i].lba > 0) && (ide_dev_desc[i].blksz > 0)) {
679 init_part (&ide_dev_desc[i]); /* initialize partition type */
687 /* ------------------------------------------------------------------------- */
689 block_dev_desc_t * ide_get_dev(int dev)
691 return ((block_dev_desc_t *)&ide_dev_desc[dev]);
695 #ifdef CONFIG_IDE_8xx_DIRECT
698 set_pcmcia_timing (int pmode)
700 volatile immap_t *immr = (immap_t *)CFG_IMMR;
701 volatile pcmconf8xx_t *pcmp = &(immr->im_pcmcia);
704 PRINTF ("Set timing for PIO Mode %d\n", pmode);
706 timings = PCMCIA_SHT(pio_config_clk[pmode].t_hold)
707 | PCMCIA_SST(pio_config_clk[pmode].t_setup)
708 | PCMCIA_SL (pio_config_clk[pmode].t_length)
713 pcmp->pcmc_pbr0 = CFG_PCMCIA_PBR0;
714 pcmp->pcmc_por0 = CFG_PCMCIA_POR0
715 #if (CFG_PCMCIA_POR0 != 0)
719 PRINTF ("PBR0: %08x POR0: %08x\n", pcmp->pcmc_pbr0, pcmp->pcmc_por0);
721 pcmp->pcmc_pbr1 = CFG_PCMCIA_PBR1;
722 pcmp->pcmc_por1 = CFG_PCMCIA_POR1
723 #if (CFG_PCMCIA_POR1 != 0)
727 PRINTF ("PBR1: %08x POR1: %08x\n", pcmp->pcmc_pbr1, pcmp->pcmc_por1);
729 pcmp->pcmc_pbr2 = CFG_PCMCIA_PBR2;
730 pcmp->pcmc_por2 = CFG_PCMCIA_POR2
731 #if (CFG_PCMCIA_POR2 != 0)
735 PRINTF ("PBR2: %08x POR2: %08x\n", pcmp->pcmc_pbr2, pcmp->pcmc_por2);
737 pcmp->pcmc_pbr3 = CFG_PCMCIA_PBR3;
738 pcmp->pcmc_por3 = CFG_PCMCIA_POR3
739 #if (CFG_PCMCIA_POR3 != 0)
743 PRINTF ("PBR3: %08x POR3: %08x\n", pcmp->pcmc_pbr3, pcmp->pcmc_por3);
747 pcmp->pcmc_pbr4 = CFG_PCMCIA_PBR4;
748 pcmp->pcmc_por4 = CFG_PCMCIA_POR4
749 #if (CFG_PCMCIA_POR4 != 0)
753 PRINTF ("PBR4: %08x POR4: %08x\n", pcmp->pcmc_pbr4, pcmp->pcmc_por4);
755 pcmp->pcmc_pbr5 = CFG_PCMCIA_PBR5;
756 pcmp->pcmc_por5 = CFG_PCMCIA_POR5
757 #if (CFG_PCMCIA_POR5 != 0)
761 PRINTF ("PBR5: %08x POR5: %08x\n", pcmp->pcmc_pbr5, pcmp->pcmc_por5);
763 pcmp->pcmc_pbr6 = CFG_PCMCIA_PBR6;
764 pcmp->pcmc_por6 = CFG_PCMCIA_POR6
765 #if (CFG_PCMCIA_POR6 != 0)
769 PRINTF ("PBR6: %08x POR6: %08x\n", pcmp->pcmc_pbr6, pcmp->pcmc_por6);
771 pcmp->pcmc_pbr7 = CFG_PCMCIA_PBR7;
772 pcmp->pcmc_por7 = CFG_PCMCIA_POR7
773 #if (CFG_PCMCIA_POR7 != 0)
777 PRINTF ("PBR7: %08x POR7: %08x\n", pcmp->pcmc_pbr7, pcmp->pcmc_por7);
781 #endif /* CONFIG_IDE_8xx_DIRECT */
783 /* ------------------------------------------------------------------------- */
785 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
786 static void __inline__
787 ide_outb(int dev, int port, unsigned char val)
789 PRINTF ("ide_outb (dev= %d, port= 0x%x, val= 0x%02x) : @ 0x%08lx\n",
790 dev, port, val, (ATA_CURR_BASE(dev)+port));
792 /* Ensure I/O operations complete */
794 __asm__ volatile("eieio");
796 *((uchar *)(ATA_CURR_BASE(dev)+port)) = val;
798 #else /* ! __PPC__ */
799 static void __inline__
800 ide_outb(int dev, int port, unsigned char val)
802 outb(val, ATA_CURR_BASE(dev)+port);
807 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
808 static unsigned char __inline__
809 ide_inb(int dev, int port)
812 /* Ensure I/O operations complete */
814 __asm__ volatile("eieio");
816 val = *((uchar *)(ATA_CURR_BASE(dev)+port));
817 PRINTF ("ide_inb (dev= %d, port= 0x%x) : @ 0x%08lx -> 0x%02x\n",
818 dev, port, (ATA_CURR_BASE(dev)+port), val);
821 #else /* ! __PPC__ */
822 static unsigned char __inline__
823 ide_inb(int dev, int port)
825 return inb(ATA_CURR_BASE(dev)+port);
830 # ifdef CONFIG_AMIGAONEG3SE
832 output_data_short(int dev, ulong *sect_buf, int words)
835 volatile ushort *pbuf;
837 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
838 dbuf = (ushort *)sect_buf;
840 __asm__ volatile ("eieio");
842 __asm__ volatile ("eieio");
848 # endif /* CONFIG_AMIGAONEG3SE */
851 /* We only need to swap data if we are running on a big endian cpu. */
852 /* But Au1x00 cpu:s already swaps data in big endian mode! */
853 #if defined(__LITTLE_ENDIAN) || defined(CONFIG_AU1X00)
854 #define input_swap_data(x,y,z) input_data(x,y,z)
857 input_swap_data(int dev, ulong *sect_buf, int words)
860 volatile ushort *pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
861 ushort *dbuf = (ushort *)sect_buf;
863 PRINTF("in input swap data base for read is %lx\n", (unsigned long) pbuf);
866 *dbuf++ = ld_le16(pbuf);
867 *dbuf++ = ld_le16(pbuf);
869 #else /* CONFIG_HMI10 */
871 volatile uchar *pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
872 volatile uchar *pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
873 ushort *dbuf = (ushort *)sect_buf;
876 for (i=0; i<2; i++) {
877 *(((uchar *)(dbuf)) + 1) = *pbuf_even;
878 *(uchar *)dbuf = *pbuf_odd;
882 #endif /* CONFIG_HMI10 */
884 #endif /* __LITTLE_ENDIAN || CONFIG_AU1X00 */
887 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
889 output_data(int dev, ulong *sect_buf, int words)
893 volatile ushort *pbuf;
895 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
896 dbuf = (ushort *)sect_buf;
899 __asm__ volatile ("eieio");
903 __asm__ volatile ("eieio");
907 #else /* CONFIG_HMI10 */
909 volatile uchar *pbuf_even;
910 volatile uchar *pbuf_odd;
912 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
913 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
914 dbuf = (uchar *)sect_buf;
916 __asm__ volatile ("eieio");
917 *pbuf_even = *dbuf++;
918 __asm__ volatile ("eieio");
920 __asm__ volatile ("eieio");
921 *pbuf_even = *dbuf++;
922 __asm__ volatile ("eieio");
925 #endif /* CONFIG_HMI10 */
927 #else /* ! __PPC__ */
929 output_data(int dev, ulong *sect_buf, int words)
931 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words<<1);
935 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
937 input_data(int dev, ulong *sect_buf, int words)
941 volatile ushort *pbuf;
943 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
944 dbuf = (ushort *)sect_buf;
946 PRINTF("in input data base for read is %lx\n", (unsigned long) pbuf);
950 __asm__ volatile ("eieio");
954 __asm__ volatile ("eieio");
958 #else /* CONFIG_HMI10 */
960 volatile uchar *pbuf_even;
961 volatile uchar *pbuf_odd;
963 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
964 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
965 dbuf = (uchar *)sect_buf;
967 __asm__ volatile ("eieio");
968 *dbuf++ = *pbuf_even;
969 __asm__ volatile ("eieio");
971 __asm__ volatile ("eieio");
972 *dbuf++ = *pbuf_even;
973 __asm__ volatile ("eieio");
976 #endif /* CONFIG_HMI10 */
978 #else /* ! __PPC__ */
980 input_data(int dev, ulong *sect_buf, int words)
982 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, words << 1);
987 #ifdef CONFIG_AMIGAONEG3SE
989 input_data_short(int dev, ulong *sect_buf, int words)
992 volatile ushort *pbuf;
994 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
995 dbuf = (ushort *)sect_buf;
997 __asm__ volatile ("eieio");
999 __asm__ volatile ("eieio");
1009 /* -------------------------------------------------------------------------
1011 static void ide_ident (block_dev_desc_t *dev_desc)
1013 ulong iobuf[ATA_SECTORWORDS];
1015 hd_driveid_t *iop = (hd_driveid_t *)iobuf;
1017 #ifdef CONFIG_AMIGAONEG3SE
1025 int mode, cycle_time;
1028 device=dev_desc->dev;
1029 printf (" Device %d: ", device);
1031 #ifdef CONFIG_AMIGAONEG3SE
1032 s = getenv("ide_maxbus");
1034 max_bus_scan = simple_strtol(s, NULL, 10);
1036 max_bus_scan = CFG_IDE_MAXBUS;
1038 if (device >= max_bus_scan*2) {
1039 dev_desc->type=DEV_TYPE_UNKNOWN;
1044 ide_led (DEVICE_LED(device), 1); /* LED on */
1047 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1048 dev_desc->if_type=IF_TYPE_IDE;
1051 #ifdef CONFIG_AMIGAONEG3SE
1055 /* Warning: This will be tricky to read */
1056 while (retries <= 1) {
1057 #endif /* CONFIG_AMIGAONEG3SE */
1059 /* check signature */
1060 if ((ide_inb(device,ATA_SECT_CNT) == 0x01) &&
1061 (ide_inb(device,ATA_SECT_NUM) == 0x01) &&
1062 (ide_inb(device,ATA_CYL_LOW) == 0x14) &&
1063 (ide_inb(device,ATA_CYL_HIGH) == 0xEB)) {
1064 /* ATAPI Signature found */
1065 dev_desc->if_type=IF_TYPE_ATAPI;
1066 /* Start Ident Command
1068 ide_outb (device, ATA_COMMAND, ATAPI_CMD_IDENT);
1070 * Wait for completion - ATAPI devices need more time
1073 c = ide_wait (device, ATAPI_TIME_OUT);
1077 /* Start Ident Command
1079 ide_outb (device, ATA_COMMAND, ATA_CMD_IDENT);
1081 /* Wait for completion
1083 c = ide_wait (device, IDE_TIME_OUT);
1085 ide_led (DEVICE_LED(device), 0); /* LED off */
1087 if (((c & ATA_STAT_DRQ) == 0) ||
1088 ((c & (ATA_STAT_FAULT|ATA_STAT_ERR)) != 0) ) {
1089 #ifdef CONFIG_AMIGAONEG3SE
1097 #endif /* CONFIG_AMIGAONEG3SE */
1100 #ifdef CONFIG_AMIGAONEG3SE
1101 s = getenv("ide_doreset");
1102 if (s && strcmp(s, "on") == 0 && 1 == do_retry) {
1103 /* Need to soft reset the device in case it's an ATAPI... */
1104 PRINTF("Retrying...\n");
1105 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1107 ide_outb (device, ATA_COMMAND, 0x08);
1108 udelay (100000); /* 100 ms */
1113 } /* see above - ugly to read */
1114 #endif /* CONFIG_AMIGAONEG3SE */
1116 input_swap_data (device, iobuf, ATA_SECTORWORDS);
1118 ident_cpy (dev_desc->revision, iop->fw_rev, sizeof(dev_desc->revision));
1119 ident_cpy (dev_desc->vendor, iop->model, sizeof(dev_desc->vendor));
1120 ident_cpy (dev_desc->product, iop->serial_no, sizeof(dev_desc->product));
1121 #ifdef __LITTLE_ENDIAN
1123 * firmware revision and model number have Big Endian Byte
1124 * order in Word. Convert both to little endian.
1126 * See CF+ and CompactFlash Specification Revision 2.0:
1127 * 6.2.1.6: Identfy Drive, Table 39 for more details
1130 strswab (dev_desc->revision);
1131 strswab (dev_desc->vendor);
1132 #endif /* __LITTLE_ENDIAN */
1134 if ((iop->config & 0x0080)==0x0080)
1135 dev_desc->removable = 1;
1137 dev_desc->removable = 0;
1141 * Drive PIO mode autoselection
1145 printf ("tPIO = 0x%02x = %d\n",mode, mode);
1146 if (mode > 2) { /* 2 is maximum allowed tPIO value */
1148 PRINTF ("Override tPIO -> 2\n");
1150 if (iop->field_valid & 2) { /* drive implements ATA2? */
1151 PRINTF ("Drive implements ATA2\n");
1152 if (iop->capability & 8) { /* drive supports use_iordy? */
1153 cycle_time = iop->eide_pio_iordy;
1155 cycle_time = iop->eide_pio;
1157 PRINTF ("cycle time = %d\n", cycle_time);
1159 if (cycle_time > 120) mode = 3; /* 120 ns for PIO mode 4 */
1160 if (cycle_time > 180) mode = 2; /* 180 ns for PIO mode 3 */
1161 if (cycle_time > 240) mode = 1; /* 240 ns for PIO mode 4 */
1162 if (cycle_time > 383) mode = 0; /* 383 ns for PIO mode 4 */
1164 printf ("PIO mode to use: PIO %d\n", mode);
1168 if (dev_desc->if_type==IF_TYPE_ATAPI) {
1169 atapi_inquiry(dev_desc);
1172 #endif /* CONFIG_ATAPI */
1176 dev_desc->lba = (iop->lba_capacity << 16) | (iop->lba_capacity >> 16);
1177 #else /* ! __BIG_ENDIAN */
1179 * do not swap shorts on little endian
1181 * See CF+ and CompactFlash Specification Revision 2.0:
1182 * 6.2.1.6: Identfy Drive, Table 39, Word Address 57-58 for details.
1184 dev_desc->lba = iop->lba_capacity;
1185 #endif /* __BIG_ENDIAN */
1188 if (iop->command_set_2 & 0x0400) { /* LBA 48 support */
1189 dev_desc->lba48 = 1;
1190 dev_desc->lba = (unsigned long long)iop->lba48_capacity[0] |
1191 ((unsigned long long)iop->lba48_capacity[1] << 16) |
1192 ((unsigned long long)iop->lba48_capacity[2] << 32) |
1193 ((unsigned long long)iop->lba48_capacity[3] << 48);
1195 dev_desc->lba48 = 0;
1197 #endif /* CONFIG_LBA48 */
1199 dev_desc->type=DEV_TYPE_HARDDISK;
1200 dev_desc->blksz=ATA_BLOCKSIZE;
1201 dev_desc->lun=0; /* just to fill something in... */
1203 #if 0 /* only used to test the powersaving mode,
1204 * if enabled, the drive goes after 5 sec
1205 * in standby mode */
1206 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1207 c = ide_wait (device, IDE_TIME_OUT);
1208 ide_outb (device, ATA_SECT_CNT, 1);
1209 ide_outb (device, ATA_LBA_LOW, 0);
1210 ide_outb (device, ATA_LBA_MID, 0);
1211 ide_outb (device, ATA_LBA_HIGH, 0);
1212 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1213 ATA_DEVICE(device));
1214 ide_outb (device, ATA_COMMAND, 0xe3);
1216 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1221 /* ------------------------------------------------------------------------- */
1223 ulong ide_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1227 unsigned char pwrsave=0; /* power save */
1229 unsigned char lba48 = 0;
1231 if (blknr & 0x0000fffff0000000) {
1232 /* more than 28 bits used, use 48bit mode */
1236 PRINTF ("ide_read dev %d start %qX, blocks %lX buffer at %lX\n",
1237 device, blknr, blkcnt, (ulong)buffer);
1239 ide_led (DEVICE_LED(device), 1); /* LED on */
1243 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1244 c = ide_wait (device, IDE_TIME_OUT);
1246 if (c & ATA_STAT_BUSY) {
1247 printf ("IDE read: device %d not ready\n", device);
1251 /* first check if the drive is in Powersaving mode, if yes,
1252 * increase the timeout value */
1253 ide_outb (device, ATA_COMMAND, ATA_CMD_CHK_PWR);
1256 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1258 if (c & ATA_STAT_BUSY) {
1259 printf ("IDE read: device %d not ready\n", device);
1262 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1263 printf ("No Powersaving mode %X\n", c);
1265 c = ide_inb(device,ATA_SECT_CNT);
1266 PRINTF("Powersaving %02X\n",c);
1272 while (blkcnt-- > 0) {
1274 c = ide_wait (device, IDE_TIME_OUT);
1276 if (c & ATA_STAT_BUSY) {
1277 printf ("IDE read: device %d not ready\n", device);
1282 /* write high bits */
1283 ide_outb (device, ATA_SECT_CNT, 0);
1284 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1285 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1286 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1289 ide_outb (device, ATA_SECT_CNT, 1);
1290 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1291 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1292 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1296 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1297 ide_outb (device, ATA_COMMAND, ATA_CMD_READ_EXT);
1302 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1303 ATA_DEVICE(device) |
1304 ((blknr >> 24) & 0xF) );
1305 ide_outb (device, ATA_COMMAND, ATA_CMD_READ);
1311 c = ide_wait (device, IDE_SPIN_UP_TIME_OUT); /* may take up to 4 sec */
1314 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1317 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1318 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1319 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1322 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1323 device, (ulong)blknr, c);
1328 input_data (device, buffer, ATA_SECTORWORDS);
1329 (void) ide_inb (device, ATA_STATUS); /* clear IRQ */
1333 buffer += ATA_SECTORWORDS;
1336 ide_led (DEVICE_LED(device), 0); /* LED off */
1340 /* ------------------------------------------------------------------------- */
1343 ulong ide_write (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
1348 unsigned char lba48 = 0;
1350 if (blknr & 0x0000fffff0000000) {
1351 /* more than 28 bits used, use 48bit mode */
1356 ide_led (DEVICE_LED(device), 1); /* LED on */
1360 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1362 while (blkcnt-- > 0) {
1364 c = ide_wait (device, IDE_TIME_OUT);
1366 if (c & ATA_STAT_BUSY) {
1367 printf ("IDE read: device %d not ready\n", device);
1372 /* write high bits */
1373 ide_outb (device, ATA_SECT_CNT, 0);
1374 ide_outb (device, ATA_LBA_LOW, (blknr >> 24) & 0xFF);
1375 ide_outb (device, ATA_LBA_MID, (blknr >> 32) & 0xFF);
1376 ide_outb (device, ATA_LBA_HIGH, (blknr >> 40) & 0xFF);
1379 ide_outb (device, ATA_SECT_CNT, 1);
1380 ide_outb (device, ATA_LBA_LOW, (blknr >> 0) & 0xFF);
1381 ide_outb (device, ATA_LBA_MID, (blknr >> 8) & 0xFF);
1382 ide_outb (device, ATA_LBA_HIGH, (blknr >> 16) & 0xFF);
1386 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device) );
1387 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE_EXT);
1392 ide_outb (device, ATA_DEV_HD, ATA_LBA |
1393 ATA_DEVICE(device) |
1394 ((blknr >> 24) & 0xF) );
1395 ide_outb (device, ATA_COMMAND, ATA_CMD_WRITE);
1400 c = ide_wait (device, IDE_TIME_OUT); /* can't take over 500 ms */
1402 if ((c&(ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR)) != ATA_STAT_DRQ) {
1403 #if defined(CFG_64BIT_LBA) && defined(CFG_64BIT_VSPRINTF)
1404 printf ("Error (no IRQ) dev %d blk %qd: status 0x%02x\n",
1407 printf ("Error (no IRQ) dev %d blk %ld: status 0x%02x\n",
1408 device, (ulong)blknr, c);
1413 output_data (device, buffer, ATA_SECTORWORDS);
1414 c = ide_inb (device, ATA_STATUS); /* clear IRQ */
1417 buffer += ATA_SECTORWORDS;
1420 ide_led (DEVICE_LED(device), 0); /* LED off */
1424 /* ------------------------------------------------------------------------- */
1427 * copy src to dest, skipping leading and trailing blanks and null
1428 * terminate the string
1429 * "len" is the size of available memory including the terminating '\0'
1431 static void ident_cpy (unsigned char *dst, unsigned char *src, unsigned int len)
1433 unsigned char *end, *last;
1436 end = src + len - 1;
1438 /* reserve space for '\0' */
1442 /* skip leading white space */
1443 while ((*src) && (src<end) && (*src==' '))
1446 /* copy string, omitting trailing white space */
1447 while ((*src) && (src<end)) {
1456 /* ------------------------------------------------------------------------- */
1459 * Wait until Busy bit is off, or timeout (in ms)
1460 * Return last status
1462 static uchar ide_wait (int dev, ulong t)
1464 ulong delay = 10 * t; /* poll every 100 us */
1467 while ((c = ide_inb(dev, ATA_STATUS)) & ATA_STAT_BUSY) {
1476 /* ------------------------------------------------------------------------- */
1478 #ifdef CONFIG_IDE_RESET
1479 extern void ide_set_reset(int idereset);
1481 static void ide_reset (void)
1483 #if defined(CFG_PB_12V_ENABLE) || defined(CFG_PB_IDE_MOTOR)
1484 volatile immap_t *immr = (immap_t *)CFG_IMMR;
1489 for (i=0; i<CFG_IDE_MAXBUS; ++i)
1491 for (i=0; i<CFG_IDE_MAXDEVICE; ++i)
1492 ide_dev_desc[i].type = DEV_TYPE_UNKNOWN;
1494 ide_set_reset (1); /* assert reset */
1498 #ifdef CFG_PB_12V_ENABLE
1499 immr->im_cpm.cp_pbdat &= ~(CFG_PB_12V_ENABLE); /* 12V Enable output OFF */
1500 immr->im_cpm.cp_pbpar &= ~(CFG_PB_12V_ENABLE);
1501 immr->im_cpm.cp_pbodr &= ~(CFG_PB_12V_ENABLE);
1502 immr->im_cpm.cp_pbdir |= CFG_PB_12V_ENABLE;
1504 /* wait 500 ms for the voltage to stabilize
1506 for (i=0; i<500; ++i) {
1510 immr->im_cpm.cp_pbdat |= CFG_PB_12V_ENABLE; /* 12V Enable output ON */
1511 #endif /* CFG_PB_12V_ENABLE */
1513 #ifdef CFG_PB_IDE_MOTOR
1514 /* configure IDE Motor voltage monitor pin as input */
1515 immr->im_cpm.cp_pbpar &= ~(CFG_PB_IDE_MOTOR);
1516 immr->im_cpm.cp_pbodr &= ~(CFG_PB_IDE_MOTOR);
1517 immr->im_cpm.cp_pbdir &= ~(CFG_PB_IDE_MOTOR);
1519 /* wait up to 1 s for the motor voltage to stabilize
1521 for (i=0; i<1000; ++i) {
1522 if ((immr->im_cpm.cp_pbdat & CFG_PB_IDE_MOTOR) != 0) {
1528 if (i == 1000) { /* Timeout */
1529 printf ("\nWarning: 5V for IDE Motor missing\n");
1530 # ifdef CONFIG_STATUS_LED
1531 # ifdef STATUS_LED_YELLOW
1532 status_led_set (STATUS_LED_YELLOW, STATUS_LED_ON );
1534 # ifdef STATUS_LED_GREEN
1535 status_led_set (STATUS_LED_GREEN, STATUS_LED_OFF);
1537 # endif /* CONFIG_STATUS_LED */
1539 #endif /* CFG_PB_IDE_MOTOR */
1543 /* de-assert RESET signal */
1547 for (i=0; i<250; ++i) {
1552 #endif /* CONFIG_IDE_RESET */
1554 /* ------------------------------------------------------------------------- */
1556 #if defined(CONFIG_IDE_LED) && \
1557 !defined(CONFIG_AMIGAONEG3SE) && \
1558 !defined(CONFIG_KUP4K) && \
1559 !defined(CONFIG_KUP4X) && \
1560 !defined(CONFIG_HMI10)
1562 static uchar led_buffer = 0; /* Buffer for current LED status */
1564 static void ide_led (uchar led, uchar status)
1566 uchar *led_port = LED_PORT;
1568 if (status) { /* switch LED on */
1570 } else { /* switch LED off */
1574 *led_port = led_buffer;
1577 #endif /* CONFIG_IDE_LED */
1579 /* ------------------------------------------------------------------------- */
1582 /****************************************************************************
1590 #define AT_PRINTF(fmt,args...) printf (fmt ,##args)
1592 #define AT_PRINTF(fmt,args...)
1595 #if defined(__PPC__) || defined(CONFIG_PXA_PCMCIA)
1596 /* since ATAPI may use commands with not 4 bytes alligned length
1597 * we have our own transfer functions, 2 bytes alligned */
1599 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1601 #ifndef CONFIG_HMI10
1603 volatile ushort *pbuf;
1605 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1606 dbuf = (ushort *)sect_buf;
1608 PRINTF("in output data shorts base for read is %lx\n", (unsigned long) pbuf);
1612 __asm__ volatile ("eieio");
1616 #else /* CONFIG_HMI10 */
1618 volatile uchar *pbuf_even;
1619 volatile uchar *pbuf_odd;
1621 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1622 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1624 __asm__ volatile ("eieio");
1625 *pbuf_even = *dbuf++;
1626 __asm__ volatile ("eieio");
1627 *pbuf_odd = *dbuf++;
1629 #endif /* CONFIG_HMI10 */
1633 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1635 #ifndef CONFIG_HMI10
1637 volatile ushort *pbuf;
1639 pbuf = (ushort *)(ATA_CURR_BASE(dev)+ATA_DATA_REG);
1640 dbuf = (ushort *)sect_buf;
1642 PRINTF("in input data shorts base for read is %lx\n", (unsigned long) pbuf);
1646 __asm__ volatile ("eieio");
1650 #else /* CONFIG_HMI10 */
1652 volatile uchar *pbuf_even;
1653 volatile uchar *pbuf_odd;
1655 pbuf_even = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_EVEN);
1656 pbuf_odd = (uchar *)(ATA_CURR_BASE(dev)+ATA_DATA_ODD);
1658 __asm__ volatile ("eieio");
1659 *dbuf++ = *pbuf_even;
1660 __asm__ volatile ("eieio");
1661 *dbuf++ = *pbuf_odd;
1663 #endif /* CONFIG_HMI10 */
1666 #else /* ! __PPC__ */
1668 output_data_shorts(int dev, ushort *sect_buf, int shorts)
1670 outsw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1675 input_data_shorts(int dev, ushort *sect_buf, int shorts)
1677 insw(ATA_CURR_BASE(dev)+ATA_DATA_REG, sect_buf, shorts);
1680 #endif /* __PPC__ */
1683 * Wait until (Status & mask) == res, or timeout (in ms)
1684 * Return last status
1685 * This is used since some ATAPI CD ROMs clears their Busy Bit first
1686 * and then they set their DRQ Bit
1688 static uchar atapi_wait_mask (int dev, ulong t,uchar mask, uchar res)
1690 ulong delay = 10 * t; /* poll every 100 us */
1693 c = ide_inb(dev,ATA_DEV_CTL); /* prevents to read the status before valid */
1694 while (((c = ide_inb(dev, ATA_STATUS)) & mask) != res) {
1695 /* break if error occurs (doesn't make sense to wait more) */
1696 if((c & ATA_STAT_ERR)==ATA_STAT_ERR)
1707 * issue an atapi command
1709 unsigned char atapi_issue(int device,unsigned char* ccb,int ccblen, unsigned char * buffer,int buflen)
1711 unsigned char c,err,mask,res;
1713 ide_led (DEVICE_LED(device), 1); /* LED on */
1717 mask = ATA_STAT_BUSY|ATA_STAT_DRQ;
1719 #ifdef CONFIG_AMIGAONEG3SE
1720 # warning THF: Removed LBA mode ???
1722 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1723 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1724 if ((c & mask) != res) {
1725 printf ("ATAPI_ISSUE: device %d not ready status %X\n", device,c);
1729 /* write taskfile */
1730 ide_outb (device, ATA_ERROR_REG, 0); /* no DMA, no overlaped */
1731 ide_outb (device, ATA_SECT_CNT, 0);
1732 ide_outb (device, ATA_SECT_NUM, 0);
1733 ide_outb (device, ATA_CYL_LOW, (unsigned char)(buflen & 0xFF));
1734 ide_outb (device, ATA_CYL_HIGH, (unsigned char)((buflen>>8) & 0xFF));
1735 #ifdef CONFIG_AMIGAONEG3SE
1736 # warning THF: Removed LBA mode ???
1738 ide_outb (device, ATA_DEV_HD, ATA_LBA | ATA_DEVICE(device));
1740 ide_outb (device, ATA_COMMAND, ATAPI_CMD_PACKET);
1743 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1745 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1747 if ((c & mask) != res) { /* DRQ must be 1, BSY 0 */
1748 printf ("ATTAPI_ISSUE: Error (no IRQ) before sending ccb dev %d status 0x%02x\n",device,c);
1753 output_data_shorts (device, (unsigned short *)ccb,ccblen/2); /* write command block */
1754 /* ATAPI Command written wait for completition */
1755 udelay (5000); /* device must set bsy */
1757 mask = ATA_STAT_DRQ|ATA_STAT_BUSY|ATA_STAT_ERR;
1758 /* if no data wait for DRQ = 0 BSY = 0
1759 * if data wait for DRQ = 1 BSY = 0 */
1763 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1764 if ((c & mask) != res ) {
1765 if (c & ATA_STAT_ERR) {
1766 err=(ide_inb(device,ATA_ERROR_REG))>>4;
1767 AT_PRINTF("atapi_issue 1 returned sense key %X status %02X\n",err,c);
1769 printf ("ATTAPI_ISSUE: (no DRQ) after sending ccb (%x) status 0x%02x\n", ccb[0],c);
1774 n=ide_inb(device, ATA_CYL_HIGH);
1776 n+=ide_inb(device, ATA_CYL_LOW);
1778 printf("ERROR, transfer bytes %d requested only %d\n",n,buflen);
1782 if((n==0)&&(buflen<0)) {
1783 printf("ERROR, transfer bytes %d requested %d\n",n,buflen);
1788 AT_PRINTF("WARNING, transfer bytes %d not equal with requested %d\n",n,buflen);
1790 if(n!=0) { /* data transfer */
1791 AT_PRINTF("ATAPI_ISSUE: %d Bytes to transfer\n",n);
1792 /* we transfer shorts */
1794 /* ok now decide if it is an in or output */
1795 if ((ide_inb(device, ATA_SECT_CNT)&0x02)==0) {
1796 AT_PRINTF("Write to device\n");
1797 output_data_shorts(device,(unsigned short *)buffer,n);
1799 AT_PRINTF("Read from device @ %p shorts %d\n",buffer,n);
1800 input_data_shorts(device,(unsigned short *)buffer,n);
1803 udelay(5000); /* seems that some CD ROMs need this... */
1804 mask = ATA_STAT_BUSY|ATA_STAT_ERR;
1806 c = atapi_wait_mask(device,ATAPI_TIME_OUT,mask,res);
1807 if ((c & ATA_STAT_ERR) == ATA_STAT_ERR) {
1808 err=(ide_inb(device,ATA_ERROR_REG) >> 4);
1809 AT_PRINTF("atapi_issue 2 returned sense key %X status %X\n",err,c);
1814 ide_led (DEVICE_LED(device), 0); /* LED off */
1819 * sending the command to atapi_issue. If an status other than good
1820 * returns, an request_sense will be issued
1823 #define ATAPI_DRIVE_NOT_READY 100
1824 #define ATAPI_UNIT_ATTN 10
1826 unsigned char atapi_issue_autoreq (int device,
1829 unsigned char *buffer,
1832 unsigned char sense_data[18],sense_ccb[12];
1833 unsigned char res,key,asc,ascq;
1834 int notready,unitattn;
1836 #ifdef CONFIG_AMIGAONEG3SE
1838 unsigned int timeout, retrycnt;
1840 s = getenv("ide_cd_timeout");
1841 timeout = s ? (simple_strtol(s, NULL, 10)*1000000)/5 : 0;
1846 unitattn=ATAPI_UNIT_ATTN;
1847 notready=ATAPI_DRIVE_NOT_READY;
1850 res= atapi_issue(device,ccb,ccblen,buffer,buflen);
1852 return (0); /* Ok */
1855 return (0xFF); /* error */
1857 AT_PRINTF("(auto_req)atapi_issue returned sense key %X\n",res);
1859 memset(sense_ccb,0,sizeof(sense_ccb));
1860 memset(sense_data,0,sizeof(sense_data));
1861 sense_ccb[0]=ATAPI_CMD_REQ_SENSE;
1862 sense_ccb[4]=18; /* allocation Length */
1864 res=atapi_issue(device,sense_ccb,12,sense_data,18);
1865 key=(sense_data[2]&0xF);
1866 asc=(sense_data[12]);
1867 ascq=(sense_data[13]);
1869 AT_PRINTF("ATAPI_CMD_REQ_SENSE returned %x\n",res);
1870 AT_PRINTF(" Sense page: %02X key %02X ASC %02X ASCQ %02X\n",
1877 return 0; /* ok device ready */
1879 if((key==6)|| (asc==0x29) || (asc==0x28)) { /* Unit Attention */
1884 printf("Unit Attention, tried %d\n",ATAPI_UNIT_ATTN);
1887 if((asc==0x4) && (ascq==0x1)) { /* not ready, but will be ready soon */
1892 printf("Drive not ready, tried %d times\n",ATAPI_DRIVE_NOT_READY);
1896 AT_PRINTF("Media not present\n");
1900 #ifdef CONFIG_AMIGAONEG3SE
1901 if ((sense_data[2]&0xF)==0x0B) {
1902 AT_PRINTF("ABORTED COMMAND...retry\n");
1908 if ((sense_data[2]&0xf) == 0x02 &&
1909 sense_data[12] == 0x04 &&
1910 sense_data[13] == 0x01 ) {
1911 AT_PRINTF("Waiting for unit to become active\n");
1917 #endif /* CONFIG_AMIGAONEG3SE */
1919 printf ("ERROR: Unknown Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1921 AT_PRINTF ("ERROR Sense key %02X ASC %02X ASCQ %02X\n",key,asc,ascq);
1926 static void atapi_inquiry(block_dev_desc_t * dev_desc)
1928 unsigned char ccb[12]; /* Command descriptor block */
1929 unsigned char iobuf[64]; /* temp buf */
1933 device=dev_desc->dev;
1934 dev_desc->type=DEV_TYPE_UNKNOWN; /* not yet valid */
1935 dev_desc->block_read=atapi_read;
1937 memset(ccb,0,sizeof(ccb));
1938 memset(iobuf,0,sizeof(iobuf));
1940 ccb[0]=ATAPI_CMD_INQUIRY;
1941 ccb[4]=40; /* allocation Legnth */
1942 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,40);
1944 AT_PRINTF("ATAPI_CMD_INQUIRY returned %x\n",c);
1948 /* copy device ident strings */
1949 ident_cpy(dev_desc->vendor,&iobuf[8],8);
1950 ident_cpy(dev_desc->product,&iobuf[16],16);
1951 ident_cpy(dev_desc->revision,&iobuf[32],5);
1956 dev_desc->type=iobuf[0] & 0x1f;
1958 if ((iobuf[1]&0x80)==0x80)
1959 dev_desc->removable = 1;
1961 dev_desc->removable = 0;
1963 memset(ccb,0,sizeof(ccb));
1964 memset(iobuf,0,sizeof(iobuf));
1965 ccb[0]=ATAPI_CMD_START_STOP;
1966 ccb[4]=0x03; /* start */
1968 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1970 AT_PRINTF("ATAPI_CMD_START_STOP returned %x\n",c);
1974 memset(ccb,0,sizeof(ccb));
1975 memset(iobuf,0,sizeof(iobuf));
1976 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,0);
1978 AT_PRINTF("ATAPI_CMD_UNIT_TEST_READY returned %x\n",c);
1982 memset(ccb,0,sizeof(ccb));
1983 memset(iobuf,0,sizeof(iobuf));
1984 ccb[0]=ATAPI_CMD_READ_CAP;
1985 c=atapi_issue_autoreq(device,ccb,12,(unsigned char *)iobuf,8);
1986 AT_PRINTF("ATAPI_CMD_READ_CAP returned %x\n",c);
1990 AT_PRINTF("Read Cap: LBA %02X%02X%02X%02X blksize %02X%02X%02X%02X\n",
1991 iobuf[0],iobuf[1],iobuf[2],iobuf[3],
1992 iobuf[4],iobuf[5],iobuf[6],iobuf[7]);
1994 dev_desc->lba =((unsigned long)iobuf[0]<<24) +
1995 ((unsigned long)iobuf[1]<<16) +
1996 ((unsigned long)iobuf[2]<< 8) +
1997 ((unsigned long)iobuf[3]);
1998 dev_desc->blksz=((unsigned long)iobuf[4]<<24) +
1999 ((unsigned long)iobuf[5]<<16) +
2000 ((unsigned long)iobuf[6]<< 8) +
2001 ((unsigned long)iobuf[7]);
2003 dev_desc->lba48 = 0; /* ATAPI devices cannot use 48bit addressing (ATA/ATAPI v7) */
2011 * we transfer only one block per command, since the multiple DRQ per
2012 * command is not yet implemented
2014 #define ATAPI_READ_MAX_BYTES 2048 /* we read max 2kbytes */
2015 #define ATAPI_READ_BLOCK_SIZE 2048 /* assuming CD part */
2016 #define ATAPI_READ_MAX_BLOCK ATAPI_READ_MAX_BYTES/ATAPI_READ_BLOCK_SIZE /* max blocks */
2018 ulong atapi_read (int device, lbaint_t blknr, ulong blkcnt, ulong *buffer)
2021 unsigned char ccb[12]; /* Command descriptor block */
2024 AT_PRINTF("atapi_read dev %d start %lX, blocks %lX buffer at %lX\n",
2025 device, blknr, blkcnt, (ulong)buffer);
2028 if (blkcnt>ATAPI_READ_MAX_BLOCK) {
2029 cnt=ATAPI_READ_MAX_BLOCK;
2033 ccb[0]=ATAPI_CMD_READ_12;
2034 ccb[1]=0; /* reserved */
2035 ccb[2]=(unsigned char) (blknr>>24) & 0xFF; /* MSB Block */
2036 ccb[3]=(unsigned char) (blknr>>16) & 0xFF; /* */
2037 ccb[4]=(unsigned char) (blknr>> 8) & 0xFF;
2038 ccb[5]=(unsigned char) blknr & 0xFF; /* LSB Block */
2039 ccb[6]=(unsigned char) (cnt >>24) & 0xFF; /* MSB Block count */
2040 ccb[7]=(unsigned char) (cnt >>16) & 0xFF;
2041 ccb[8]=(unsigned char) (cnt >> 8) & 0xFF;
2042 ccb[9]=(unsigned char) cnt & 0xFF; /* LSB Block */
2043 ccb[10]=0; /* reserved */
2044 ccb[11]=0; /* reserved */
2046 if (atapi_issue_autoreq(device,ccb,12,
2047 (unsigned char *)buffer,
2048 cnt*ATAPI_READ_BLOCK_SIZE) == 0xFF) {
2054 buffer+=cnt*(ATAPI_READ_BLOCK_SIZE/4); /* ulong blocksize in ulong */
2055 } while (blkcnt > 0);
2059 /* ------------------------------------------------------------------------- */
2061 #endif /* CONFIG_ATAPI */
2065 "ide - IDE sub-system\n",
2066 "reset - reset IDE controller\n"
2067 "ide info - show available IDE devices\n"
2068 "ide device [dev] - show or set current device\n"
2069 "ide part [dev] - print partition table of one or all IDE devices\n"
2070 "ide read addr blk# cnt\n"
2071 "ide write addr blk# cnt - read/write `cnt'"
2072 " blocks starting at block `blk#'\n"
2073 " to/from memory address `addr'\n"
2077 diskboot, 3, 1, do_diskboot,
2078 "diskboot- boot from IDE device\n",
2079 "loadAddr dev:part\n"
2082 #endif /* CONFIG_COMMANDS & CFG_CMD_IDE */